APA aipamena

Hardman, L. S., & Albrecht, J. (1997). Interacting with clients and customers: A foot in the door. Melbourne: Addison Wesley Longman Australia.

Chicago Style aipamena

Hardman, Lee Sharon, và Jillian Albrecht. Interacting With Clients and Customers: A Foot in the Door. Melbourne: Addison Wesley Longman Australia, 1997.

MLA aipamena

Hardman, Lee Sharon, và Jillian Albrecht. Interacting With Clients and Customers: A Foot in the Door. Melbourne: Addison Wesley Longman Australia, 1997.